Microbiology: Practice Quiz for Chapters 1-4 Flashcards

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Microbiology
Chapters 1-4
Microbiology
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microbiology
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1

This scientist/doctor discovered penicillin.

  1. Lister
  2. Linnaeus
  3. Erlich
  4. Pasteur
  5. Fleming

Fleming

2

This scientist/doctor's work proved that a specific bacterium caused a specific disease.

  1. Virchow
  2. Erlich
  3. Koch
  4. Lister
  5. Pasteur

Koch

3

Fungi and Protozoa are both:

  1. eukaryotes
  2. plants
  3. acellular particles
  4. prokaryotes
  5. viruses

Eukaryotes

4

A modified light microscope that takes advantage of differences in refractive indexes is called a:

  1. Phase Contrast Microscope
  2. Fluorescence Microscope
  3. Bright field Microscope
  4. Transmission election Microscope

Phase Contrast Microscope

5

Which of the following statement(s) regarding acidic dyes/stains is/are correct?

  1. Acidic dyes contain a positive chromophore
  2. Acidic dyes will be repelled by the bacterial cell surface and stain the background
  3. Eosin dye is an acidic stain.
  4. Safranin dye is an acidic stain.
  5. Acidic dyes are used as negative stains.

2,3,5

6

Atoms of an element with the same number of protons but different number of neutrons are called

  1. valence electrons
  2. isotopes
  3. salts
  4. anions
  5. cations

isotopes

7

The chemical bond in which atoms share electrons is called a(n)

  1. covalent bond
  2. peptide bond
  3. hydrogen bond
  4. ionic bond
  5. ether linkage

covalent bond

8

A buffer is:

  1. a solution that prevents extreme pH changes
  2. a strong acidic solution
  3. an alkaline solution
  4. a strong basic solution
  5. salt solution

a solution that prevents extreme pH changes

9

Eukarya includes all of the following except for:

  1. protists
  2. animals
  3. fungi
  4. plants
  5. viruses

viruses

10

Some bacterial have a structure called an axial filament, which is also called

  1. peritrichous flagella
  2. pili
  3. endoflagella
  4. fimbriae
  5. cilia

endoflagella

11

These are cell structures that are involved in protein synthesis in bacteria.

  1. flagella
  2. ribosomes
  3. nucelus
  4. phospholipid bilayers
  5. pili

ribosomes

12

Which of the following statements about the atom 12 6C is false:

  1. its mass number is 12
  2. it has 12 neutrons in its nucleus
  3. it has 6 protons in its nucleus
  4. its atomic number is 6
  5. it has 6 electrons orbiting the nucleus

it has 12 neutrons in its nucleus